<!DOCTYPE html>
<html>

	<head>
		<meta charset="utf-8">
		<meta name="viewport" content="initial-scale=1.0, maximum-scale=1.0, user-scalable=no" />
		<title>浮</title>
		<script type="text/javascript" src="js/jquery-1.11.0.js"></script>
		<script type="text/javascript" src="js/duang.js"></script>

		<link rel="stylesheet" type="text/css" href="css/duang.css" />
		<style>
			/*浮云*/
			
			.floating_duang img {
				width: 100%;
			}
			
			.floating_duang {
				top: 0;
				left: 0;
			}
			
			.floating_duang {
				-webkit-animation: floating_duang 1s infinite;
				-webkit-animation-direction: alternate;
			}
			
			@-webkit-keyframes floating_duang {
				form {
					top: 0;
				}
				to {
					top: 10%;
				}
			}
		</style>
	</head>

	<body>
		<div class="floating_duang absolute_duang">
			<img style="display: block;" src="img/1.jpg" />
		</div>
	</body>

</html>